feat: ignore component options in `compileModule` (#16362)

.changeset/violet-ways-sleep.md

@@ -0,0 +1,5 @@
+---
+'svelte': minor
+---
+
+feat: ignore component options in `compileModule`

packages/svelte/src/compiler/validate-options.js

@@ -8,7 +8,7 @@ import * as w from './warnings.js';
  * @typedef {(input: Input, keypath: string) => Required<Output>} Validator
  */
 
-const common = {
+const common_options = {
 	filename: string('(unknown)'),
 
 	// default to process.cwd() where it exists to replicate svelte4 behavior (and make Deno work with this as well)
@@ -48,18 +48,7 @@ const common = {
 	})
 };
 
-export const validate_module_options =
-	/** @type {Validator<ModuleCompileOptions, ValidatedModuleCompileOptions>} */ (
-		object({
-			...common
-		})
-	);
-
-export const validate_component_options =
-	/** @type {Validator<CompileOptions, ValidatedCompileOptions>} */ (
-		object({
-			...common,
-
+const component_options = {
 	accessors: deprecate(w.options_deprecated_accessors, boolean(false)),
 
 	css: validator('external', (input) => {
@@ -129,29 +118,50 @@ export const validate_component_options =
 	}),
 
 	enableSourcemap: warn_removed(w.options_removed_enable_sourcemap),
+
 	hydratable: warn_removed(w.options_removed_hydratable),
+
 	format: removed(
 		'The format option has been removed in Svelte 4, the compiler only outputs ESM now. Remove "format" from your compiler options. ' +
 			'If you did not set this yourself, bump the version of your bundler plugin (vite-plugin-svelte/rollup-plugin-svelte/svelte-loader)'
 	),
+
 	tag: removed(
 		'The tag option has been removed in Svelte 5. Use `<svelte:options customElement="tag-name" />` inside the component instead. ' +
 			'If that does not solve your use case, please open an issue on GitHub with details.'
 	),
+
 	sveltePath: removed(
 		'The sveltePath option has been removed in Svelte 5. ' +
 			'If this option was crucial for you, please open an issue on GitHub with your use case.'
 	),
+
 	// These two were primarily created for svelte-preprocess (https://github.com/sveltejs/svelte/pull/6194),
 	// but with new TypeScript compilation modes strictly separating types it's not necessary anymore
 	errorMode: removed(
 		'The errorMode option has been removed. If you are using this through svelte-preprocess with TypeScript, ' +
 			'use the https://www.typescriptlang.org/tsconfig#verbatimModuleSyntax setting instead'
 	),
+
 	varsReport: removed(
 		'The vars option has been removed. If you are using this through svelte-preprocess with TypeScript, ' +
 			'use the https://www.typescriptlang.org/tsconfig#verbatimModuleSyntax setting instead'
 	)
+};
+
+export const validate_module_options =
+	/** @type {Validator<ModuleCompileOptions, ValidatedModuleCompileOptions>} */ (
+		object({
+			...common_options,
+			...Object.fromEntries(Object.keys(component_options).map((key) => [key, () => {}]))
+		})
+	);
+
+export const validate_component_options =
+	/** @type {Validator<CompileOptions, ValidatedCompileOptions>} */ (
+		object({
+			...common_options,
+			...component_options
 		})
 	);